Home / 6,291.41-9,437.99-2,131.92

Finding the Fourth Proportional to 6,291.41, 9,437.99 and 2,131.92

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Solution

The fourth proportional to 6,291.41, 9,437.99 and 2,131.92 is: 3,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.41 : 9,437.99 = 2,131.92 : x
  2. Step 2: Convert to fraction form
    6,291.41/9,437.99 = 2,131.92/x
  3. Step 3: Cross multiply
    6,291.41x = 9,437.99 × 2,131.92
  4. Step 4: Simplify right side
    6,291.41x = 20,121,028.98
  5. Step 5: Solve for x
    x = 20,121,028.98/6,291.41
  6. Step 6: Final answer
    x = 3,198.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.